Certificate for #8617 ⟨a, b | aa=a, abbbba=b

Completion settings:

[1] aa=a

Axiom: aa=a.

Defines rule #1.

Referenced by [3], [4].

[2] abbbba=b

Axiom: abbbba=b.

Referenced by [3], [4], [5].

[3] ab=b

Overlap of [1] aa=a with [2] abbbba=b:

a a abbbba

Critical pair: ab=abbbba.

Reduce RHS:

[2](abbbba)
b

Defines rule #2.

Referenced by [4], [5].

[4] bbbba=ba

Overlap of [2] abbbba=b with [1] aa=a:

abbbb a aa

Critical pair: abbbba=ba.

Reduce LHS:

[3](ab)bbba
bbbba

Referenced by [5], [6].

[5] ba=b

Overlap of [2] abbbba=b with [3] ab=b:

abbbba ab

Critical pair: bbbba=b.

Reduce LHS:

[4](bbbba)
ba

Defines rule #3.

Referenced by [6].

[6] bbbb=b

Simplify [4] bbbba=ba.

Reduce LHS:

[5]bbb(ba)
bbbb

Reduce RHS:

[5](ba)
b

Defines rule #4.